Q.1
If x varies as y then x2 + y2 varies as
Q.2
The incomes of A and B are in the ratio 3 : 2 and their expenditure are in ratio 5 : 3. If each saves Rs. 1000, then, A's income can be:
Q.3
The difference between two positive numbers is 10 and the ratio between them is 5 : 3. Find the product of the two numbers.
Q.4
In a class, the number of girls is 20% more than that of the boys. The strength of the class is 66. If 4 more girls are admitted to the class, the ratio of the number of boys to that of the girls is
Q.5
What must be added to each term of the ratio 7 : 11, So as to make it equal to 3 : 4?
Q.6
If a : b : c = 3 : 4 : 7, then the ratio (a + b + c) : c is equal to
Q.7
The ratio of urea and potash in a mixed fertilizer is 7 : 3. Express the quantity of urea present as percentage of the total amount of fertilizer.
Q.8
The number of students in 3 classes is in the ratio 2 : 3 : 4. If 12 students are increased in each class this ratio changes to 8 : 11 : 14. The total number of students in the three classes in the beginning was
Q.9
The salaries of A, B and C are in the ratio 1 : 3 : 4. If the salaries are increased by 5%, 10% and 15% respectively, then the increased salaries will be in the ratio
Q.10
If A : B = 2 : 3 and B : C = 4 : 5 then A : B : C is
Q.11
If 30 oxen can plough $$\frac{1}{7}$$ th of a field in 2 days, how many days 18 oxen will take to do the remaining work?
Q.12
A cat leaps 5 leaps for every 4 leaps of a dog, but 3 leaps of the dog are equal to 4 leaps of the cat. What is the ratio of the speed of the cat to that of the dog?
Q.13
Two numbers are in ratio 7 : 11. If 7 is added to each of the numbers, the ratio becomes 2 : 3. The smaller number is
Q.14
Two numbers are in ratio P : Q. when 1 is added to both the numerator and the denominator, the ratio gets changed to $$\frac{{\text{R}}}{{\text{S}}}$$. again, when 1 is added to both the numerator and denominator, it becomes $$\frac{1}{2}$$. Find the sum of P and Q.
Q.15
A box has 210 coins of denominations one-rupee and fifty paise only. The ratio of their respective values is 13 : 11. The number of one-rupee coin is
Q.16
If two times A is equal to three times of B and also equal to four times of C, then A : B : C is
Q.17
Rs. 600 are divided among A, B, C so that Rs. 40 more than $$\frac{{\text{2}}}{{\text{5}}}$$ of A's share, Rs. 20 more than $$\frac{{\text{2}}}{{\text{7}}}$$ of B's share and Rs. 10 more than $$\frac{{\text{9}}}{{{\text{17}}}}$$ of C's share may all be equal. What is A's share ?
Q.18
The sum of three numbers is 116. The second number and the third number are in the ratio of 9 : 16 while the first number and the third number are in the ratio of 1 : 4. Find the second number.
Q.19
If $$\frac{2}{3}$$ of A=75% of B = 0.6 of C, then A : B : C is
Q.20
If an amount of Rs. 1,50,000 is shared among A, B, and C in the ratio 2 : 3 : 5, then A receives the same amount as he would receive if another sum of money is shared between A, B and C in the ratio of 5 : 3 : 2. The ratio of Rs. 1,50,000 to the second amount of money is -
Q.21
In a school having roll strength 286, the ratio of boys and girls is 8 : 5. If 22 more girls get admitted into the school, the ratio of boys and girls becomes
Q.22
If Rs.1066 are divided among A, B, C and D such that A : B = 3 : 4, B : C = 5 : 6 and C : D = 7 : 5, Who will get the maximum ?
Q.23
Divide Rs. 671 among A, B and C such that if their shares be increased by Rs. 3, Rs. 7 and Rs. 9 respectively the remainder shall be in the ratio 1 : 2 : 3.
Q.24
Rs. 2010 are to be divided among A, B, C in such a way that if A gets Rs. 5, then B must get Rs. 12 and if B gets Rs. 4, then C must get Rs. 5.50. The share of C will exceed that of B by -
Q.25
A person bought some rice and wheat for Rs. 380. The ratio of weight of rice and wheat is 4 : 3 and the price equal amount of rice and wheat is in the ratio 5 : 6. The rice was bought of worth = ?
Q.26
A box contains 420 coins of 1 rupee, 50 paise and 20 paise coins. The ratio of their values is 13 : 11 : 7. The number of 50 paise coins is = ?
Q.27
The ratio of age of two boys is 5 : 6. After two years the ratio will be 7 : 8. The ratio of their age after 12 years will be = ?
Q.28
If A and B are in the ratio 3 : 4, and B and C in the ratio 12 : 13, then A and C will be in the ratio
Q.29
In an alloy, the ratio of copper and zinc is 5 : 2. If 1.250 kg of zinc is mixed in 17 kg 500 g of alloy, then the ratio of copper and zinc in the alloy will be -
Q.30
Ram got twice as many marks in English as in Science. His total mark in English, Science and Math are 180. If the ratio of his marks in English and Maths is 2 : 3, what is the marks in Science = ?
0 h : 0 m : 1 s